/**
  ******************************************************************************
  * File Name          : main.c
  * Description        : Main program body
  ******************************************************************************
  *
  * COPYRIGHT(c) 2018 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */
/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal.h"
/* USER CODE BEGIN Includes */
#include "config.h"
/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/
UART_HandleTypeDef huart1;

WWDG_HandleTypeDef hwwdg;

/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
struct TimeTaskStruct TimeTask;
struct short_struct  short_reg;
Modbus_struct Modbus;
uint8_t pin_flag=0;
uint32_t save_addr=0x8011000;//重要参数存储

uint8_t aTxStartMessage[40];

uint8_t aRxBuffer[20];
//引脚对应寄存器表     地址：A-0 B-1 C-2 
const signed char pin_map[][2]={ {0,0},	//2007
								 {0,1},	//2008
								 {0,2},	//2009
								 {0,3},	//2010
								 {0,4},	//2011
								 {0,5},	//2012
								 {0,6},	//2013
								 {0,7},	//2014
								 {0,11},//2015
								 {0,12},//2016
								 {0,14},//2017
								 {0,15},//2018
								 {1,0},	//2019
								 {1,1},	//2020
								 {1,3},	//2021
								 {1,4},	//2022
								 {1,5},	//2023
								 {1,6},	//2024
								 {1,7},	//2025
								 {1,8},	//2026
								 {1,9},	//2027
								 {1,10},//2028
								 {1,11},//2029
								 {1,12},//2030
								 {1,13},//2031
								 {1,14},//2032
								 {1,15},//2033
								 {2,13},//2034
								 {2,14},//2035
								 {2,15},//2036

									}; 

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_WWDG_Init(void);

/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/

void Main_Loop(void);
void Flag_Task(void);
void task_100ms(void);
void task_500ms(void);
void task_1s(void);
void task_2s(void);
void do_pin(int reg,char io);
void writeflash(uint32_t addr,uint32_t data);



/* USER CODE END PFP */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration----------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* Configure the system clock */
  SystemClock_Config();

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  MX_WWDG_Init();
  //HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_RESET);//485接收使能
	HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_RESET);//485接收使能
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  if(*(__IO uint32_t *)(save_addr)>250)
  	{
	writeflash(save_addr, 11);
  	}
	short_reg.head=1;
	short_reg.Addr=*(__IO uint32_t *)(save_addr);
   short_reg.Byte_order_16=Byte_order_16_0_1;
   short_reg.Byte_order_float=Byte_order_32_0_1_2_3;
	short_reg.pin_reg[0]=0XEE;
	Modbus.Addr=(unsigned char *)&short_reg.Addr;
	Modbus.Byte_order_16=(unsigned char *)(& short_reg.Byte_order_16);
	Modbus.Byte_order_float=(unsigned char *)(&short_reg.Byte_order_float);
	
  while (1)
  {
  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */
	//	 HAL_UART_Transmit_IT(&huart1, (uint8_t *)aTxStartMessage, sizeof(aTxStartMessage));
     HAL_UART_Receive_IT(&huart1, (uint8_t *)aRxBuffer, 1);
		Main_Loop();
  }
  /* USER CODE END 3 */

}

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);

  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/100);

  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

}

/* USART1 init function */
void MX_USART1_UART_Init(void)
{

  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  HAL_UART_Init(&huart1);

}

/* WWDG init function */
void MX_WWDG_Init(void)
{

  hwwdg.Instance = WWDG;
  hwwdg.Init.Prescaler = WWDG_PRESCALER_1;
  hwwdg.Init.Window = 65;
  hwwdg.Init.Counter = 127;
  HAL_WWDG_Init(&hwwdg);

}

/** Configure pins as 
        * Analog 
        * Input 
        * Output
        * EVENT_OUT
        * EXTI
*/
void MX_GPIO_Init(void)
{

  GPIO_InitTypeDef GPIO_InitStruct;

  /* GPIO Ports Clock Enable */
  __GPIOC_CLK_ENABLE();
  __GPIOD_CLK_ENABLE();
  __GPIOA_CLK_ENABLE();
  __GPIOB_CLK_ENABLE();

  /*Configure GPIO pins : PC13 PC14 PC15 */
  GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /*Configure GPIO pins : PA0 PA1 PA2 PA3 
                           PA4 PA5 PA6 PA7 
                           PA11 PA12 PA14 PA15 */
  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 
                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8  
                          |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_14|GPIO_PIN_15;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /*Configure GPIO pins : PB0 PB1 PB10 PB11 
                           PB12 PB13 PB14 PB15 
                           PB3 PB4 PB5 PB6 
                           PB7 PB8 PB9 */
  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11 
                          |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15 
                          |GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6 
                          |GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */
void Main_Loop(void)
{

		Flag_Task();
	
	if(TimeTask.task100ms_flag) 
	{
		TimeTask.task100ms_flag=0;
		task_100ms();
	}
	if(TimeTask.task500ms_flag) 
	{
		TimeTask.task500ms_flag=0;
		task_500ms();
	}
	if(TimeTask.task1s_flag) 
	{
		TimeTask.task1s_flag=0;
		task_1s();
	}
	if(TimeTask.task2s_flag)
	{
		TimeTask.task2s_flag=0;
		task_2s();
	}
}

void Flag_Task(void)
{

	Modbus_Slave_Send(&Modbus);
	if(Modbus.Tx_len!=0)
	{	
		HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_SET);//485接收使能
		HAL_UART_Transmit(&huart1,Modbus.Tx_buff,Modbus.Tx_len,0xFFFF);
		Modbus.Tx_len=0;
		pin_flag=1;
		HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_RESET);//485发送使能
	}
}

void do_pin(int reg,char io)
{

if(pin_map[reg][0]==0)
{
HAL_GPIO_WritePin(GPIOA,1<<pin_map[reg][1],io);
}
if(pin_map[reg][0]==1)
{
HAL_GPIO_WritePin(GPIOB,1<<pin_map[reg][1],io);
}
if(pin_map[reg][0]==2)
{
HAL_GPIO_WritePin(GPIOC,1<<pin_map[reg][1],io);
}



}

void task_100ms(void)
{
	int find;
if(pin_flag==1)
{
	if(*(__IO uint32_t *)(save_addr)!=short_reg.Addr)
	  {
	  writeflash(save_addr, short_reg.Addr);
	  }

	for(find=0;find<30;find++)
	{
		if(short_reg.pin_reg[find]==1)
		{
			do_pin(find,1);
		}else
			{
			do_pin(find,0);
			}
		}
	pin_flag=0;
}
	

}
void task_500ms(void)
{

}
void task_1s(void)
{
	uint8_t tmpbuff[2];
	tmpbuff[0]=0xee;
	HAL_GPIO_WritePin(GPIOC,GPIO_PIN_13,(GPIO_PinState)!HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_13));
	//HAL_UART_Transmit(&huart1,tmpbuff,1,0xFFFF);

}
void task_2s(void)
{

}

void writeflash(uint32_t addr,uint32_t data)
{
	HAL_FLASH_Unlock();
	FLASH_EraseInitTypeDef f;
	f.TypeErase=FLASH_TYPEERASE_PAGES;
	f.PageAddress=addr;
	f.NbPages=1;

	uint32_t pageerror=0;

	HAL_FLASHEx_Erase(&f, &pageerror);

	HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,addr, data);
	
	HAL_FLASH_Lock();


}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
   UNUSED(huart);
 		Modbus_Slave_Receive_char(&Modbus,aRxBuffer[0]);
}

/* USER CODE END 4 */

#ifdef USE_FULL_ASSERT

/**
   * @brief Reports the name of the source file and the source line number
   * where the assert_param error has occurred.
   * @param file: pointer to the source file name
   * @param line: assert_param error line source number
   * @retval None
   */
void assert_failed(uint8_t* file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
    ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */

}

#endif

/**
  * @}
  */ 

/**
  * @}
*/ 

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
